UPSC CDS 1 2022 English Paper

The correct answer is 'you will fail.'
Key Points
- Unless: We use the conjunction unless to mean 'except if.'
- Example: They won't come unless you invite them.
- Let us see the meanings of the given words:
- Succumb: to stop fighting against something.
- Pass: to give something to somebody.
- Fail: to decide that somebody is not successful in a test, exam, etc.
- Promote: to encourage something; to help something to happen or develop.
- Correct Sentence: Unless you work harder you will fail.